Title: Notice: Undefined variable: attachment_id
Last modified: January 26, 2017

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# Notice: Undefined variable: attachment_id

 *  [alexlii](https://wordpress.org/support/users/alexlii/)
 * (@alexlii)
 * [9 years, 3 months ago](https://wordpress.org/support/topic/notice-undefined-variable-attachment_id/)
 * Hello,
 * Great work, and When I tried it in debug mode, it show the following message:
   
   you might kindly let me know what does not mean.
 * FYI, I am using it in WordPress MU site, and it is activated in a sub site, but
   the site is buddypress root site, since we deployed buddypress in D ways of buddypress
   official instructions:[https://codex.buddypress.org/getting-started/installation-in-wordpress-multisite/](https://codex.buddypress.org/getting-started/installation-in-wordpress-multisite/)
 * >  Notice: Undefined variable: attachment_id in /var/www/mysite.com/htdocs/wp-
   > content/plugins/bp-cover/templates/mani/theme.php on line 75

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 * 0 replies
 * 1 participant
 * Last reply from: [alexlii](https://wordpress.org/support/users/alexlii/)
 * Last activity: [9 years, 3 months ago](https://wordpress.org/support/topic/notice-undefined-variable-attachment_id/)
 * Status: not resolved